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Union Machine Operator

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Onsite

Union Machine Operator

Semco Maritime

Union Machine Operator

5 months ago

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Important information


Contract type:

Permanent

Salary:

$33,280 – $37,440 / year

Location:

St. Louis, MO, USA

Work mode:

Onsite

Published on:

13 September 2026

What they need


Company Overview

Semco-Tank Holding has become the market leader and manufacturer of rotationally molded poly and welded steel bulk storage and material handling products in North America. Semco-Tank is growing rapidly and is always working to expand its capabilities and diversify product offerings consistent with the company values of growth and service to its customers.

Job Summary

We’re looking for a Machine Operator to join the Semco-Tank team! Working closely with the Shift and People Supervisors as well as other Machine Operators, you’ll be operating various blow-molding and injection presses to create products for our customers.

This job is for you if…

  • You are detail oriented and love creating and completing quality product.
  • You are a sound communicator and self-starter.
  • You thrive in a fast-paced environment and enjoy collaboration.

Key Responsibilities

  • Operate molding machines and secondary equipment in a safe and efficient manner.
  • Ensure good quality parts are produced.
  • Read and follow the standard work instructions.
  • Communicate effectively with other operators, supervisors, and other staff.
  • Organize and clean work areas during shift.
  • Adhere to safety practices while performing operating tasks
  • Successfully use tools and PPE.

Knowledge, Skills and Abilities

  • Industry experience (preferred): 1 Year

Physical Requirements

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

  • Occasionally, it represents 1 to 33% or 1-2 hours of an 8-hour workday.
  • Frequently, it represents 34 to 66% or 2 1/2 to 5 1/2 hours of an 8-hour workday.
  • Regularly, it represents 67 to 100% or 6 to 8 hours of an 8-hour workday.
  • While performing the duties of this Job, the employee is regularly required to stand; walk; use hands to finger, handle, or feel; reach with hands and arms and talk or hear. The employee is occasionally required to climb or balance and stoop, kneel, crouch, or crawl. The employee must regularly lift and /or move up to 50 pounds. Specific vision abilities required by this job include close vision, color vision and peripheral vision.
  • Work Environment The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this Job, the employee is occasionally exposed to warm and/or cold conditions; moving mechanical parts; high, precarious places; toxic or caustic chemicals and outside.

Travel

The percentage of travel is 0% outside of your regular shift time.

AAP/EEO Statement

Tank Holding provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, creed, ancestry, sexual or affectional orientation, marital or veteran status, color, religion, sex, national origin, age, disability, genetics, status with regard to public assistance or any characteristic protected under federal, state or local law.

Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

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